do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. rvelg . >>> i want no check in with anderson cooper with what is coming up on "ac 360." >> we're live in boston with the latest on the investigation and the arraignment of the bombing suspect from his hospital bed. there's a lot to tell you about tonight. also looking tonight at just who these brothers are. what turned them into killers? we'll dig into their ties in chechnya and the older brother's recent trip there. we'll also speak to their aunt who lives in canada. she feels convince